EP3027866A4 - Lpc flowpath shape with gas turbine engine shaft bearing configuration - Google Patents
Lpc flowpath shape with gas turbine engine shaft bearing configuration Download PDFInfo
- Publication number
- EP3027866A4 EP3027866A4 EP14831790.2A EP14831790A EP3027866A4 EP 3027866 A4 EP3027866 A4 EP 3027866A4 EP 14831790 A EP14831790 A EP 14831790A EP 3027866 A4 EP3027866 A4 EP 3027866A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- lpc
- gas turbine
- turbine engine
- shaft bearing
- engine shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C9/00—Controlling gas-turbine plants; Controlling fuel supply in air- breathing jet-propulsion plants
- F02C9/16—Control of working fluid flow
- F02C9/18—Control of working fluid flow by bleeding, bypassing or acting on variable working fluid interconnections between turbines or compressors or their stages
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/14—Form or construction
- F01D5/141—Shape, i.e. outer, aerodynamic form
- F01D5/142—Shape, i.e. outer, aerodynamic form of the blades of successive rotor or stator blade-rows
- F01D5/143—Contour of the outer or inner working fluid flow path wall, i.e. shroud or hub contour
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K3/00—Plants including a gas turbine driving a compressor or a ducted fan
- F02K3/02—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber
- F02K3/04—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber the plant including ducted fans, i.e. fans with high volume, low pressure outputs, for augmenting the jet thrust, e.g. of double-flow type
- F02K3/075—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber the plant including ducted fans, i.e. fans with high volume, low pressure outputs, for augmenting the jet thrust, e.g. of double-flow type controlling flow ratio between flows
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D19/00—Axial-flow pumps
- F04D19/02—Multi-stage pumps
- F04D19/028—Layout of fluid flow through the stages
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/541—Specially adapted for elastic fluid pumps
- F04D29/545—Ducts
- F04D29/547—Ducts having a special shape in order to influence fluid flow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2250/00—Geometry
- F05D2250/30—Arrangement of components
- F05D2250/31—Arrangement of components according to the direction of their main axis or their axis of rotation
- F05D2250/314—Arrangement of components according to the direction of their main axis or their axis of rotation the axes being inclined in relation to each other
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2260/00—Function
- F05D2260/98—Lubrication
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201361860334P | 2013-07-31 | 2013-07-31 | |
US14/067,354 US9038366B2 (en) | 2012-01-31 | 2013-10-30 | LPC flowpath shape with gas turbine engine shaft bearing configuration |
PCT/US2014/043184 WO2015017042A1 (en) | 2013-07-31 | 2014-06-19 | Lpc flowpath shape with gas turbine engine shaft bearing configuration |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3027866A1 EP3027866A1 (en) | 2016-06-08 |
EP3027866A4 true EP3027866A4 (en) | 2017-04-26 |
Family
ID=52432315
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14831790.2A Withdrawn EP3027866A4 (en) | 2013-07-31 | 2014-06-19 | Lpc flowpath shape with gas turbine engine shaft bearing configuration |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP3027866A4 (en) |
WO (1) | WO2015017042A1 (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120195753A1 (en) * | 2009-11-20 | 2012-08-02 | Davis Todd A | Gas turbine engine architecture with low pressure compressor hub between high and low rotor thrust bearings |
US8402741B1 (en) * | 2012-01-31 | 2013-03-26 | United Technologies Corporation | Gas turbine engine shaft bearing configuration |
EP2584153A2 (en) * | 2011-10-17 | 2013-04-24 | United Technologies Corporation | Gas turbine engine front center body architecture and method of disassembly |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5155993A (en) * | 1990-04-09 | 1992-10-20 | General Electric Company | Apparatus for compressor air extraction |
GB0411850D0 (en) * | 2004-05-27 | 2004-06-30 | Rolls Royce Plc | Spacing arrangement |
US7752836B2 (en) * | 2005-10-19 | 2010-07-13 | General Electric Company | Gas turbine assembly and methods of assembling same |
US8708863B2 (en) * | 2006-08-15 | 2014-04-29 | United Technologies Corporation | Epicyclic gear train |
US9957918B2 (en) * | 2007-08-28 | 2018-05-01 | United Technologies Corporation | Gas turbine engine front architecture |
US8511987B2 (en) * | 2009-11-20 | 2013-08-20 | United Technologies Corporation | Engine bearing support |
US20130192198A1 (en) * | 2012-01-31 | 2013-08-01 | Lisa I. Brilliant | Compressor flowpath |
-
2014
- 2014-06-19 WO PCT/US2014/043184 patent/WO2015017042A1/en active Application Filing
- 2014-06-19 EP EP14831790.2A patent/EP3027866A4/en not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120195753A1 (en) * | 2009-11-20 | 2012-08-02 | Davis Todd A | Gas turbine engine architecture with low pressure compressor hub between high and low rotor thrust bearings |
EP2584153A2 (en) * | 2011-10-17 | 2013-04-24 | United Technologies Corporation | Gas turbine engine front center body architecture and method of disassembly |
US8402741B1 (en) * | 2012-01-31 | 2013-03-26 | United Technologies Corporation | Gas turbine engine shaft bearing configuration |
Non-Patent Citations (1)
Title |
---|
See also references of WO2015017042A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP3027866A1 (en) | 2016-06-08 |
WO2015017042A1 (en) | 2015-02-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20160224 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
AX | Request for extension of the european patent |
Extension state: BA ME |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: UNITED TECHNOLOGIES CORPORATION |
|
DAX | Request for extension of the european patent (deleted) | ||
A4 | Supplementary search report drawn up and despatched |
Effective date: 20170329 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: F02C 3/13 20060101AFI20170323BHEP |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN |
|
18W | Application withdrawn |
Effective date: 20171027 |